diff options
author | Jiri Slaby <jirislaby@gmail.com> | 2007-02-10 01:30:18 -0500 |
---|---|---|
committer | Dmitry Torokhov <dtor@insightbb.com> | 2007-02-10 01:30:18 -0500 |
commit | 2a598df595d33be0f12e37ef5df75eff13511d07 (patch) | |
tree | dc5f29a0a971956baecded0561f94016b01b9d58 /drivers | |
parent | 1e4865f8d469b1795e77877410951e5b808a2c4e (diff) |
Input: remove scan_keyb driver
This driver is currently unused (unreferenced) besides the fact
that it's broken.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/char/scan_keyb.c | 149 | ||||
-rw-r--r-- | drivers/char/scan_keyb.h | 15 |
2 files changed, 0 insertions, 164 deletions
diff --git a/drivers/char/scan_keyb.c b/drivers/char/scan_keyb.c deleted file mode 100644 index 2b5bb4f5754d..000000000000 --- a/drivers/char/scan_keyb.c +++ /dev/null | |||
@@ -1,149 +0,0 @@ | |||
1 | /* | ||
2 | * $Id: scan_keyb.c,v 1.2 2000/07/04 06:24:42 yaegashi Exp $ | ||
3 | * Copyright (C) 2000 YAEGASHI Takeshi | ||
4 | * Generic scan keyboard driver | ||
5 | */ | ||
6 | |||
7 | #include <linux/spinlock.h> | ||
8 | #include <linux/sched.h> | ||
9 | #include <linux/interrupt.h> | ||
10 | #include <linux/tty.h> | ||
11 | #include <linux/mm.h> | ||
12 | #include <linux/signal.h> | ||
13 | #include <linux/init.h> | ||
14 | #include <linux/kbd_ll.h> | ||
15 | #include <linux/delay.h> | ||
16 | #include <linux/random.h> | ||
17 | #include <linux/poll.h> | ||
18 | #include <linux/miscdevice.h> | ||
19 | #include <linux/slab.h> | ||
20 | #include <linux/kbd_kern.h> | ||
21 | #include <linux/timer.h> | ||
22 | |||
23 | #define SCANHZ (HZ/20) | ||
24 | |||
25 | struct scan_keyboard { | ||
26 | struct scan_keyboard *next; | ||
27 | int (*scan)(unsigned char *buffer); | ||
28 | const unsigned char *table; | ||
29 | unsigned char *s0, *s1; | ||
30 | int length; | ||
31 | }; | ||
32 | |||
33 | static int scan_jiffies=0; | ||
34 | static struct scan_keyboard *keyboards=NULL; | ||
35 | struct timer_list scan_timer; | ||
36 | |||
37 | static void check_kbd(const unsigned char *table, | ||
38 | unsigned char *new, unsigned char *old, int length) | ||
39 | { | ||
40 | int need_tasklet_schedule=0; | ||
41 | unsigned int xor, bit; | ||
42 | |||
43 | while(length-->0) { | ||
44 | if((xor=*new^*old)==0) { | ||
45 | table+=8; | ||
46 | } | ||
47 | else { | ||
48 | for(bit=0x01; bit<0x100; bit<<=1) { | ||
49 | if(xor&bit) { | ||
50 | handle_scancode(*table, !(*new&bit)); | ||
51 | need_tasklet_schedule=1; | ||
52 | #if 0 | ||
53 | printk("0x%x %s\n", *table, (*new&bit)?"released":"pressed"); | ||
54 | #endif | ||
55 | } | ||
56 | table++; | ||
57 | } | ||
58 | } | ||
59 | new++; old++; | ||
60 | } | ||
61 | |||
62 | if(need_tasklet_schedule) | ||
63 | tasklet_schedule(&keyboard_tasklet); | ||
64 | } | ||
65 | |||
66 | |||
67 | static void scan_kbd(unsigned long dummy) | ||
68 | { | ||
69 | struct scan_keyboard *kbd; | ||
70 | |||
71 | scan_jiffies++; | ||
72 | |||
73 | for(kbd=keyboards; kbd!=NULL; kbd=kbd->next) { | ||
74 | if(scan_jiffies&1) { | ||
75 | if(!kbd->scan(kbd->s0)) | ||
76 | check_kbd(kbd->table, | ||
77 | kbd->s0, kbd->s1, kbd->length); | ||
78 | else | ||
79 | memcpy(kbd->s0, kbd->s1, kbd->length); | ||
80 | } | ||
81 | else { | ||
82 | if(!kbd->scan(kbd->s1)) | ||
83 | check_kbd(kbd->table, | ||
84 | kbd->s1, kbd->s0, kbd->length); | ||
85 | else | ||
86 | memcpy(kbd->s1, kbd->s0, kbd->length); | ||
87 | } | ||
88 | |||
89 | } | ||
90 | |||
91 | init_timer(&scan_timer); | ||
92 | scan_timer.expires = jiffies + SCANHZ; | ||
93 | scan_timer.data = 0; | ||
94 | scan_timer.function = scan_kbd; | ||
95 | add_timer(&scan_timer); | ||
96 | } | ||
97 | |||
98 | |||
99 | int register_scan_keyboard(int (*scan)(unsigned char *buffer), | ||
100 | const unsigned char *table, | ||
101 | int length) | ||
102 | { | ||
103 | struct scan_keyboard *kbd; | ||
104 | |||
105 | kbd = kmalloc(sizeof(struct scan_keyboard), GFP_KERNEL); | ||
106 | if (kbd == NULL) | ||
107 | goto error_out; | ||
108 | |||
109 | kbd->scan=scan; | ||
110 | kbd->table=table; | ||
111 | kbd->length=length; | ||
112 | |||
113 | kbd->s0 = kmalloc(length, GFP_KERNEL); | ||
114 | if (kbd->s0 == NULL) | ||
115 | goto error_free_kbd; | ||
116 | |||
117 | kbd->s1 = kmalloc(length, GFP_KERNEL); | ||
118 | if (kbd->s1 == NULL) | ||
119 | goto error_free_s0; | ||
120 | |||
121 | memset(kbd->s0, -1, kbd->length); | ||
122 | memset(kbd->s1, -1, kbd->length); | ||
123 | |||
124 | kbd->next=keyboards; | ||
125 | keyboards=kbd; | ||
126 | |||
127 | return 0; | ||
128 | |||
129 | error_free_s0: | ||
130 | kfree(kbd->s0); | ||
131 | |||
132 | error_free_kbd: | ||
133 | kfree(kbd); | ||
134 | |||
135 | error_out: | ||
136 | return -ENOMEM; | ||
137 | } | ||
138 | |||
139 | |||
140 | void __init scan_kbd_init(void) | ||
141 | { | ||
142 | init_timer(&scan_timer); | ||
143 | scan_timer.expires = jiffies + SCANHZ; | ||
144 | scan_timer.data = 0; | ||
145 | scan_timer.function = scan_kbd; | ||
146 | add_timer(&scan_timer); | ||
147 | |||
148 | printk(KERN_INFO "Generic scan keyboard driver initialized\n"); | ||
149 | } | ||
diff --git a/drivers/char/scan_keyb.h b/drivers/char/scan_keyb.h deleted file mode 100644 index b4b611290a00..000000000000 --- a/drivers/char/scan_keyb.h +++ /dev/null | |||
@@ -1,15 +0,0 @@ | |||
1 | #ifndef __DRIVER_CHAR_SCAN_KEYB_H | ||
2 | #define __DRIVER_CHAR_SCAN_KEYB_H | ||
3 | /* | ||
4 | * $Id: scan_keyb.h,v 1.1 2000/06/10 21:45:30 yaegashi Exp $ | ||
5 | * Copyright (C) 2000 YAEGASHI Takeshi | ||
6 | * Generic scan keyboard driver | ||
7 | */ | ||
8 | |||
9 | int register_scan_keyboard(int (*scan)(unsigned char *buffer), | ||
10 | const unsigned char *table, | ||
11 | int length); | ||
12 | |||
13 | void __init scan_kbd_init(void); | ||
14 | |||
15 | #endif | ||